0a166474f8
This extends the changes ofe0005c1d93(No longer include the system headers first, 2021-04-22) to the platform-specific headers included for Cygwin/MinGW wxMSW builds, as this shouldn't be necessary neither any more (but doing it for wxQt is still needed, for the reasons explained in the new comment added by this commit). It also incidentally fixes a problem in Cygwin build since enabling IPv6 in8dfcb582da(Regenerate configure after enabling IPv6 support by default, 2021-06-15) as including unistd.h directly results in warnings if wx/defs.h, which predefines __USE_W32_SOCKETS, hadn't been included before.
423 lines
12 KiB
C++
423 lines
12 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/allheaders.cpp
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// Purpose: Compilation test for all headers
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// Author: Vadim Zeitlin, Arrigo Marchiori
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// Created: 2020-04-20
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// Copyright: (c) 2010,2020 Vadim Zeitlin, Wlodzimierz Skiba, Arrigo Marchiori
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// Note: can't use wxCHECK_GCC_VERSION() here as it's not defined yet.
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#if defined(__GNUC__)
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#define CHECK_GCC_VERSION(major, minor) \
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(__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
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#else
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#define CHECK_GCC_VERSION(major, minor) 0
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#endif
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#if CHECK_GCC_VERSION(4, 6)
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// As above, we can't reuse wxCONCAT() and wxSTRINGIZE macros from wx/cpp.h
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// here, so define their equivalents here.
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#define CONCAT_HELPER(x, y) x ## y
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#define CONCAT(x1, x2) CONCAT_HELPER(x1, x2)
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#define STRINGIZE_HELPER(x) #x
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#define STRINGIZE(x) STRINGIZE_HELPER(x)
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#define GCC_TURN_ON(warn) \
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_Pragma(STRINGIZE(GCC diagnostic error STRINGIZE(CONCAT(-W,warn))))
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#define GCC_TURN_OFF(warn) \
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_Pragma(STRINGIZE(GCC diagnostic ignored STRINGIZE(CONCAT(-W,warn))))
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#endif
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// We have to include this one first in order to check for HAVE_XXX below.
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#include "wx/setup.h"
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#include "catch.hpp"
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#if defined(__WXQT__)
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// Include this one before enabling the warnings as doing it later, as it
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// happens when it's included from wx/fontutil.h, results in -Wsign-promo.
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#include <QtGui/QFont>
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#endif
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// Enable max warning level for headers if possible, using gcc pragmas.
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#ifdef GCC_TURN_ON
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// Enable all the usual "maximal" warnings.
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GCC_TURN_ON(all)
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GCC_TURN_ON(extra)
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GCC_TURN_ON(pedantic)
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// Enable all the individual warnings not enabled by one of the warnings
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// above.
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// Start of semi-auto-generated part, don't modify it manually.
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//
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// Manual changes:
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// - Globally replace HANDLE_GCC_WARNING with GCC_TURN_ON.
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// - Add v6 check for -Wabi, gcc < 6 don't seem to support turning it off
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// once it's turned on and gives it for the standard library symbols.
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// - Remove GCC_TURN_ON(system-headers) from the list because this option
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// will enable the warnings to be thrown inside the system headers that
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// should instead be ignored.
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// {{{
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(abi)
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#endif // 6.1
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(abi-tag)
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#endif // 4.8
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GCC_TURN_ON(address)
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GCC_TURN_ON(aggregate-return)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(alloc-zero)
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#endif // 7.1
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(alloca)
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#endif // 7.1
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(arith-conversion)
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#endif // 10.1
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GCC_TURN_ON(array-bounds)
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GCC_TURN_ON(builtin-macro-redefined)
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GCC_TURN_ON(cast-align)
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(cast-align=strict)
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#endif // 8.1
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GCC_TURN_ON(cast-qual)
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GCC_TURN_ON(char-subscripts)
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(chkp)
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#endif // 9.1
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(class-memaccess)
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#endif // 8.1
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GCC_TURN_ON(clobbered)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(comma-subscript)
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#endif // 10.1
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GCC_TURN_ON(comment)
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#if CHECK_GCC_VERSION(4,9)
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GCC_TURN_ON(conditionally-supported)
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#endif // 4.9
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GCC_TURN_ON(conversion)
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GCC_TURN_ON(ctor-dtor-privacy)
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#if CHECK_GCC_VERSION(4,9)
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GCC_TURN_ON(date-time)
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#endif // 4.9
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(delete-non-virtual-dtor)
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#endif // 4.7
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(deprecated-copy)
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#endif // 9.1
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(deprecated-copy-dtor)
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#endif // 9.1
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GCC_TURN_ON(disabled-optimization)
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GCC_TURN_ON(double-promotion)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(duplicated-branches)
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#endif // 7.1
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(duplicated-cond)
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#endif // 6.1
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GCC_TURN_ON(empty-body)
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GCC_TURN_ON(endif-labels)
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GCC_TURN_ON(enum-compare)
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(extra-semi)
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#endif // 8.1
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GCC_TURN_ON(float-equal)
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GCC_TURN_ON(format)
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GCC_TURN_ON(format-contains-nul)
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GCC_TURN_ON(format-extra-args)
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GCC_TURN_ON(format-nonliteral)
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GCC_TURN_ON(format-security)
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(format-signedness)
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#endif // 5.1
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(format-zero-length)
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#endif // 4.7
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GCC_TURN_ON(ignored-qualifiers)
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GCC_TURN_ON(init-self)
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GCC_TURN_ON(inline)
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GCC_TURN_ON(invalid-pch)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(literal-suffix)
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#endif // 4.8
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(logical-op)
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#endif // 6.1
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GCC_TURN_ON(long-long)
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GCC_TURN_ON(main)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(maybe-uninitialized)
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#endif // 4.7
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(mismatched-tags)
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#endif // 10.1
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GCC_TURN_ON(missing-braces)
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GCC_TURN_ON(missing-declarations)
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GCC_TURN_ON(missing-field-initializers)
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GCC_TURN_ON(missing-format-attribute)
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GCC_TURN_ON(missing-include-dirs)
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GCC_TURN_ON(missing-noreturn)
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GCC_TURN_ON(multichar)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(namespaces)
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#endif // 6.1
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(narrowing)
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#endif // 4.7
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GCC_TURN_ON(noexcept)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(noexcept-type)
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#endif // 7.1
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GCC_TURN_ON(non-virtual-dtor)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(nonnull)
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#endif // 4.7
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(null-dereference)
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#endif // 6.1
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GCC_TURN_ON(old-style-cast)
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GCC_TURN_ON(overlength-strings)
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GCC_TURN_ON(overloaded-virtual)
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GCC_TURN_ON(packed)
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GCC_TURN_ON(packed-bitfield-compat)
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GCC_TURN_ON(padded)
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GCC_TURN_ON(parentheses)
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(pessimizing-move)
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#endif // 9.1
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GCC_TURN_ON(pointer-arith)
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GCC_TURN_ON(redundant-decls)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(redundant-tags)
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#endif // 10.1
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(register)
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#endif // 7.1
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GCC_TURN_ON(reorder)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(restrict)
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#endif // 7.1
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GCC_TURN_ON(return-type)
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GCC_TURN_ON(sequence-point)
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GCC_TURN_ON(shadow)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(shift-negative-value)
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#endif // 6.1
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GCC_TURN_ON(sign-compare)
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GCC_TURN_ON(sign-conversion)
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GCC_TURN_ON(sign-promo)
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GCC_TURN_ON(stack-protector)
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GCC_TURN_ON(strict-aliasing)
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GCC_TURN_ON(strict-null-sentinel)
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GCC_TURN_ON(strict-overflow)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(string-compare)
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#endif // 10.1
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(stringop-truncation)
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#endif // 8.1
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(suggest-attribute=cold)
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#endif // 8.1
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GCC_TURN_ON(suggest-attribute=const)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(suggest-attribute=format)
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#endif // 4.8
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(suggest-attribute=malloc)
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#endif // 8.1
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GCC_TURN_ON(suggest-attribute=noreturn)
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GCC_TURN_ON(suggest-attribute=pure)
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(suggest-final-methods)
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#endif // 5.1
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(suggest-final-types)
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#endif // 5.1
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(suggest-override)
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#endif // 5.1
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GCC_TURN_ON(switch)
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GCC_TURN_ON(switch-default)
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GCC_TURN_ON(switch-enum)
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GCC_TURN_ON(synth)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(templates)
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#endif // 6.1
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GCC_TURN_ON(trampolines)
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GCC_TURN_ON(trigraphs)
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GCC_TURN_ON(type-limits)
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GCC_TURN_ON(undef)
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GCC_TURN_ON(uninitialized)
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GCC_TURN_ON(unknown-pragmas)
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GCC_TURN_ON(unreachable-code)
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GCC_TURN_ON(unsafe-loop-optimizations)
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GCC_TURN_ON(unused)
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GCC_TURN_ON(unused-but-set-parameter)
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GCC_TURN_ON(unused-but-set-variable)
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GCC_TURN_ON(unused-function)
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GCC_TURN_ON(unused-label)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(unused-local-typedefs)
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#endif // 4.7
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GCC_TURN_ON(unused-macros)
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GCC_TURN_ON(unused-parameter)
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GCC_TURN_ON(unused-value)
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GCC_TURN_ON(unused-variable)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(useless-cast)
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#endif // 4.8
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GCC_TURN_ON(variadic-macros)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(vector-operation-performance)
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#endif // 4.7
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(virtual-inheritance)
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#endif // 6.1
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GCC_TURN_ON(vla)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(volatile)
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#endif // 10.1
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GCC_TURN_ON(volatile-register-var)
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GCC_TURN_ON(write-strings)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(zero-as-null-pointer-constant)
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#endif // 4.7
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// }}}
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#undef GCC_TURN_ON
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/*
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Some warnings still must be disabled, so turn them back off explicitly:
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*/
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// Those are potentially useful warnings, but there are just too many
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// occurrences of them in our code currently.
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GCC_TURN_OFF(conversion)
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GCC_TURN_OFF(sign-compare)
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GCC_TURN_OFF(sign-conversion)
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GCC_TURN_OFF(old-style-cast)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_OFF(useless-cast)
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#endif // 4.8
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_OFF(redundant-tags) // "struct tm" triggers this
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#endif // 10.1
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// This one is given for NULL, and not just literal 0, up to gcc 10, and so
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// has to remain disabled for as long as we use any NULLs in our code.
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#if CHECK_GCC_VERSION(4,7) && !CHECK_GCC_VERSION(10,1)
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GCC_TURN_OFF(zero-as-null-pointer-constant)
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#endif
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// These ones could be useful to explore, but for now we don't use "final"
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// at all anywhere.
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_OFF(suggest-final-methods)
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GCC_TURN_OFF(suggest-final-types)
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#endif // 5.1
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// wxWARNING_SUPPRESS_MISSING_OVERRIDE() inside wxRTTI macros is just
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// ignored by gcc up to 9.x for some reason, so we have no choice but to
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// disable it.
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#if CHECK_GCC_VERSION(5,1) && !CHECK_GCC_VERSION(9,0)
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GCC_TURN_OFF(suggest-override)
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#endif
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// The rest are the warnings that we don't ever want to enable.
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// This one is given whenever inheriting from std:: classes without using
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// C++11 ABI tag explicitly, probably harmless.
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_OFF(abi-tag)
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#endif // 4.8
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// This can be used to ask the compiler to explain why some function is not
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// inlined, but it's perfectly normal for some functions not to be inlined.
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GCC_TURN_OFF(inline)
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// All those are about using perfectly normal C++ features that are
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// actually used in our code.
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GCC_TURN_OFF(aggregate-return)
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GCC_TURN_OFF(long-long)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_OFF(namespaces)
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GCC_TURN_OFF(multiple-inheritance)
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GCC_TURN_OFF(templates)
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#endif // 6.1
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// This warns about missing "default" label in exhaustive switches over
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// enums, so it's completely useless.
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GCC_TURN_OFF(switch-default)
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// We don't care about padding being added to our structs.
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GCC_TURN_OFF(padded)
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#endif // gcc >= 4.6
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// ANSI build hasn't been updated to work without implicit wxString encoding
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// and never will be, as it will be removed soon anyhow. And in UTF-8-only
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// build we actually want to use implicit encoding (UTF-8).
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#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
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#define wxNO_IMPLICIT_WXSTRING_ENCODING
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#endif
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#include "testprec.h"
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#include "allheaders.h"
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// Check that using wx macros doesn't result in -Wsuggest-override or
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// equivalent warnings in classes using and not using "override".
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struct Base : wxEvtHandler
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{
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virtual ~Base() { }
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virtual void Foo() { }
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};
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struct DerivedWithoutOverride : Base
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{
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void OnIdle(wxIdleEvent&) { }
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wxDECLARE_DYNAMIC_CLASS_NO_COPY(DerivedWithoutOverride);
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wxDECLARE_EVENT_TABLE();
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};
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struct DerivedWithOverride : Base
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{
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virtual void Foo() wxOVERRIDE { }
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void OnIdle(wxIdleEvent&) { }
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wxDECLARE_DYNAMIC_CLASS_NO_COPY(DerivedWithOverride);
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wxDECLARE_EVENT_TABLE();
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};
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#ifdef GCC_TURN_OFF
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// Just using REQUIRE() below triggers -Wparentheses, so avoid it.
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GCC_TURN_OFF(parentheses)
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#endif
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TEST_CASE("wxNO_IMPLICIT_WXSTRING_ENCODING", "[string]")
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{
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wxString s = wxASCII_STR("Hello, ASCII");
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REQUIRE(s == L"Hello, ASCII");
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#ifdef TEST_IMPLICIT_WXSTRING_ENCODING
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// Compilation of this should fail, because the macro
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// wxNO_IMPLICIT_WXSTRING_ENCODING must be set
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s = "Hello, implicit encoding";
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#endif
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}
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